blueprints/cpp-templates
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So sort of small refactoring.

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DH
2026-02-27 19:53:55 -05:00
parent fb7c83d04d
commit c9c2bc11ae
1 changed files with 13 additions and 6 deletions
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19
typefactory/typefactory.h
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@@ -1,6 +1,7 @@
#ifndef TYPEFACTORY_H #ifndef TYPEFACTORY_H
#define TYPEFACTORY_H #define TYPEFACTORY_H
#include <unordered_map> #include <unordered_map>
#include <type_traits>
#include <memory> #include <memory>
/** /**
@@ -32,7 +33,7 @@
* *
* class Derived2 : public Base { * class Derived2 : public Base {
* public: * public:
* Derived1 (int start) : m_start(start){} * Derived2 (int start) : m_start(start){}
* int get() override { * int get() override {
* return m_start + 2; * return m_start + 2;
* } * }
@@ -46,8 +47,8 @@
* typefactory.registerType<Derived1>("one"); * typefactory.registerType<Derived1>("one");
* typefactory.registerType<Derived2>("2"); * typefactory.registerType<Derived2>("2");
* *
* auto d1 = typefactory.createInstance ("one")(10); * auto d1 = typefactory.create ("one")(10);
* auto d2 = typefactory.createInstance ("2")(10); * auto d2 = typefactory.create ("2")(10);
* *
* d1->get(); * d1->get();
* d2->get(); * d2->get();
@@ -78,16 +79,22 @@ class TypeFactory {
template<class Derived> template<class Derived>
void registerType (const ClassId& id) { void registerType (const ClassId& id) {
/// Register Derived type by storing its constructor wrapper /// Register Derived type by storing its constructor wrapper
static_assert(std::is_base_of_v<BaseClass, Derived>,
"Derived must inherit from BaseClass");
static_assert(std::is_constructible_v<Derived, Args...>,
"Derived must be constructible from Args...");
classes[id] = &typefactory<Derived>; classes[id] = &typefactory<Derived>;
} }
/** /**
* @brief createInstance - createInstance class by unique id. Class should be registered before * @brief create - Returns creator function for id.
* @param id - unique class identification * @param id - unique class identification
* @return shared pointer to new class. * @return shared pointer to new class.
* @throws std::out_of_range when id not found in map * @throws std::out_of_range when id not found in map
*/ */
typefactoryFunction createInstance (const ClassId& id) const { typefactoryFunction create (const ClassId& id) const {
return classes.at (id); return classes.at (id);
} }
protected: protected:
@@ -98,7 +105,7 @@ class TypeFactory {
private: private:
/** /**
* @brief typefactory - main functionality, createInstance registered object * @brief typefactory - main functionality, create registered object
* @param Derived - class type * @param Derived - class type
* @param args - constructor arguments * @param args - constructor arguments
* @return shared pointer to register Derived class * @return shared pointer to register Derived class